SOLUTION: x^2-2x-35=0

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Question 921554: x^2-2x-35=0
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!
x%5E2-2x-35=0 ...factor completely, write -2x as %2B5x-7x

x%5E2%2B5x-7x-35=+0...group

%28x%5E2%2B5x%29-%287x%2B35%29=+0

x%28x%2B5%29-7%28x%2B5%29=+0

%28x-7%29%28x%2B5%29=+0
solutions:
if %28x-7%29=+0, then x=+7
if %28x%2B5%29=+0, then x=-5


+graph%28+600%2C+600%2C+-10%2C+10%2C+-50%2C+10%2C+x%5E2%2B5x-7x-35%29+